15 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 70454 | Ponchatoula | 34,564 |
| 70403 | Hammond | 30,173 |
| 70401 | Hammond | 21,221 |
| 70422 | Amite | 15,399 |
| 70466 | Tickfaw | 10,148 |
| 70443 | Independence | 9,006 |
| 70444 | Kentwood | 8,687 |
| 70446 | Loranger | 7,173 |
| 70456 | Roseland | 3,193 |
| 70455 | Robert | 2,181 |
| 70402 | Hammond | 1,850 |
| 70465 | Tangipahoa | 522 |
| 70442 | Husser | 196 |
| 70436 | Fluker | 104 |
| 70451 | Natalbany | 65 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 15 ZCTAs in Tangipahoa Parish, Louisiana (US Census).